Below is the steps to know how enable Criminal Case Instant Finish:
Play Game on Facebook and Download and install the requirements.
Once the game is fully loaded. Open the CEtrainer.
Attach process "FlashPlayerPlugin.exe" if FIREFOX. chrome.exe for chrome browser and close other tabs opened only the Game tab must be opened.
Select any cheat that you want and click the Enable or just click on the "Enable All"
You are done. Go back to game and start solving cases. Enjoy!
See Video Tutorial of Criminal Case Instant Finish Cheat: